MxPx will lend their talent to one of the most anticipated Hollywood features planned for this summer. The group has recorded "Scooby Doo, Where Are You," the theme song from the movie Scooby Doo. The song will be heard on film as the credits role, and featured prominently on the soundtrack, which also boasts offerings from OutKast, Sugar Ray, Kylie Minogue and others. The movie, which stars Sarah Michelle Gellar and Freddie Prinze Jr., releases on June 12.